查询词典 system function

By taking use of self-adaptive searching algorithm, optimal parameters of Incomplete Beta Function can be acquired, thereby obtaining the corresponding optimal transform curve. In this paper, Incomplete Beta Function is applied in contrast enhancement of container cargo inspection image, and the advantages of this function are well illustrated by comparing the experimental results.

Tubbs将图像增强处理中几种常用的非线性变换函数，表示成了一个归一化的非完全Beta函数，通过自适应搜索算法可以确定Beta函数的最佳参数，从而确定了相应的最佳变换曲线，将该函数应用于集装箱检测图像的对比度增强，通过对实验结果的比较，说明了该变换函数的优越性。

Some of the other gamma-related functions in SciPy include the incomplete gamma function gammainc, the beta function beta, and the logarithmic derivative of the gamma function psi.

其他一些γ- SciPy有关的职能包括：不完全伽玛函数gammainc，测试版功能测试，以及防扩散对数伽玛函数的导数。

From this,it is proved that when all the ratios of a subaddtive function defined on the interval(0,+∞) to the value of its variable form a bounded function ,the subaddtive function must have supremum and infimum functions,which are homogeneously linear functions.

从这一结果出发证明了，当定义在(0，+∞)上的次可加函数与其自变量之比为有界函数时，次可加函数必存在上下确界函数，并证明了其上下确界函数均为齐次线性函数。

By means of traditional criterions of generalized integral's convergence and divergence, this paper, from the analysis of integrated function's nature, discovers a series of new criterions, which are briefer and more suitable: on the aspect of generalized integral for functions of a single variable, through the investigation of integrated function, together with the inner relationship between positive series and generalized integral in infinite interval under the condition of positive function, it gives several criterions of generalized integral's convergence and divergence, which are similar to positive series' criterions of convergence and divergence.

本文从分析被积函数本身所具的性质出发，借助传统的广义积分敛散性判别方法，发现1系列更简捷适用的新判别方法：单变量函数广义积分方面，通过考察被积函数，结合正项级数与正函数情形下无穷区间上广义积分的内在联系，给出了几个与正项级数敛散性判别法相类似的广义积分敛散性判别方法；多变量函数广义积分方面，着重讨论了广义2重积分和广义3重积分，结合被积函数的特点，运用比较判别法和柯西判别法，本文给出了判别广义2重积分收敛的1种新方法。

This method uses the strong non-linear mapping ability which the RBF network has and its short-time training merit to construct the network, substitutes the non-analytic function, make it to instate of the optimized question of the objective function, and iterates this objective function with the genetic algorithm to search the optimal solution.

该方法利用RBF网络所具有的非线性映射能力强，训练时间短的优点，构建网络，替代非解析函数，使之作为优化问题的目标函数，并用遗传算法搜索迭代出该目标函数的最优解。

The growth of functions in these spaces depends on a weighted function ρ. We investigate the relation between growth and boundary values of the functions, and prove that a function or its radial derivative is in one of the spaces if and only if the p'integral average of the difference of its boundary value function is integrable or bounded.

研究这些函数空间中函数的增长性与边界值的关系，得到了函数或其径向导数属于相应空间的充分必要条件是其边界值差分的p次积分平均应具备一定的可积性或有界性。

A method of construction of Liapu-nov function is given. This Liapunov function has form of x plus an integral of a nonlinear function ?

提出一种处理"二次型加非线性函数的积分"形式的函数的方法，并得到一个新的绝对稳定准则。

When computing the diagonal elements of the Galerkin matrix, one will encounter the integral of Hankel function, the Green's function of 2-dimensional Helmholtz equation and the cosine weighting function, whose integrand is singular in the integration range. A new approach is proposed to deal with this kind of singular integrals, which is pivotal but have not been reported so far.

首先建立了透镜边缘上任一点的电场满足的边界积分方程，然后选择适当的正交模式函数展开端口上的电场分布，采用边界元法的思路及Galerkin法将该积分方程离散化为—矩阵方程求解即可得到透镜的多模式散射参数。

To create a Perlin noise function, you will need two things, a Noise Function, and an Interpolation Function.

为了创建一个柏林噪声函数，我们需要两个东西，一个噪声函数和一个插值函数。

If there is a possibility of the existence of its inverse function, it will be easier to integrate the function by using its inverse function than by using normal integral way.

表面上看，这里边似乎有一定的规律性，实则需要大量的特殊灵活的技巧，显然，求一个积分往往不止一种方法。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。